Toyota Corolla (E120): Monitor description

While the engine is being cranked, the battery positive voltage is applied to terminal sta of the ecm.

If the ecm detects the starter control signal (sta) while the vehicle is driving, it will conclude that there is a fault in the starter control circuit. The ecm will turn on the mil and a dtc is set.

Monitor strategy

Monitor strategy

Typical enabling conditions

Typical enabling conditions

Typical malfunction thresholds

Typical malfunction thresholds

Wiring diagram

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Installing tire pressure warning valves and transmitters (vehicles with a tire pressure warning system)
    When replacing tires or wheels, tire pressure warning valves and transmitters must also be installed. When new tire pressure warning valves and transmitters are installed, new ID codes must be registered in the tire pressure warning computer and the tire pressure warning system must be initialized. ...

    Inspection procedure
    1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat outer belt assy lh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the seat belt pretensio ...

    Overhaul
    1. Remove w/head taper screw plug no.2 Using a socket hexagon wench 10, remove the taper screw plug and gasket. 2. Remove valve lifter Remove the valve lifters from the cylinder head. 3. Remove valve Place the cylinder head on wooden blocks.  using sst, compres ...